#include <stdio.h>

char str[2*1024*1024] = {0};

int main()
{	
	int sum = 0;
	
	for ( int i = 1; i <= 100; i++ )
	{
		int temp = n % 2;
		if ( temp == 0 )	
		{
			sum += i;
		}
	}
	return 0;
}
